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화학물질 사고·테러 대응을 위한 경계구역 선정 개선방안 연구

A Study on Improvement Plan for Selecting Boundary Areas to Respond to Chemical Accidents and Terrorism

  • 투고 : 2020.04.16
  • 심사 : 2020.08.07
  • 발행 : 2020.08.31

초록

본 연구에서는 화학사고 및 화학테러 대응 시 화학물질로부터 인명 및 환경을 보호하기 위한 경계구역 설정에 관하여 국·내외 사례 조사를 바탕으로 우리나라 실정에 적합한 경계구역 선정 개선방안을 제시하고자 하였다. 현재 다양한 관계부처에서는 공통적으로 hot zone, warm zone, cold zone으로 구분하여 사용 중이나 특정 지역에 대해서는 용어 활용 측면에서 상이한 의미로 혼용되고 있다. 따라서 경계구역을 기존 3개 지역에서 hot zone, warm zone, cold zone, safety zone 4개 지역으로 구분하여 활용할 것을 제시하였다. 그리고 warm zone을 관심지역, safety zone을 안전지역으로 용어를 정립하도록 한다. 기존에 적용하던 ERPG 급성노출기준은 다양한 노출시간을 고려하지 않기 때문에 장시간 노출상황 적용에 적합하지 않으므로 적용 우선순위를 AEGL, ERPG, PAC, IDLHs 순으로 하도록 한다. CARIS 정보제공 방안은 확산평가가 가능한 물질 또는 불가능한 물질이거나 실내누출 상황으로 구분하고 풍향신뢰선과 ERG의 초기이격거리 및 방호활동거리를 함께 표현하여 현장대응 및 주민대피 결정 정보자료로 활용될 수 있도록 한다.

This paper presents a method for improving the selection of boundary areas suitable for Korea's situation based on domestic and foreign case studies on the establishment of boundary areas to protect people and the environment from chemical substances in response to chemical accidents and chemical terrorism. Currently, various related ministries are divided into hot zones, warm zones, and cold zones in common, but in specific areas, they are used in different ways in terms of terminology utilization. Therefore, it was suggested that the boundary areas be divided into four zones: hot zone, warm zone, cold zone, and safety zone. In addition, the terms warm zone and safety zone should be re-established. The existing ERPG acute exposure standard does not take into account various exposure times. Therefore, it is unsuitable for long-term exposure, so the priority of application should be AEGL, ERPG, PAC, and IDLHs. The CARIS information provision method is classified into substances that can or cannot be diffused or classified as indoor leaks. In addition, the wind direction trust line and the ERG's initial separation distance and protective action distance are expressed together so that they can be used for accident responses.

키워드

참고문헌

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